How To Write A Business Plan _ In my previous article, I talked about how you can plan your business startup. I defined a business plan as a written description of the future of your business. This is a document that indicates what you intend to do and how you intend to do it. I further explained that if all you have is a paragraph on the back of an envelope describing your business strategy, you have written a plan, or at least the beginning of a plan. I also said that a business plan consists of a narrative and several financial worksheets.